A student wanted to determine if the mean number of times a student missed class was different for sophomores, juniors, and seniors. After collecting attendance data, the student ran an ANOVA and found that MS_groups was much larger than MS_error. This student can conclude that A) sophomores miss class more than juniors and seniors. B) there is a difference in the mean number of times sophomores, juniors, and seniors miss class. C) seniors miss class more than sophomores and juniors. D) there is no difference between the groups.

Question

Quizplus · Accepted Answer

A large MS_groups compared to the MS_error indicates that there is a significant difference in the mean number of times students from each group miss class. Therefore, the student can conclude that there is a difference in the mean number of times sophomores, juniors, and seniors miss class.

A Student Wanted to Determine If the Mean Number of Times